Mathematics, 24.12.2020 14:00, caleelwittmann31

Se ha preguntado a un grupo de personas jubiladas el número de veces que han ido al teatro en el último año. Las respuestas se recogen en esta tabla:
N.º DE VECES 0 1 2 3 4 5
N.º DE PERSONAS 2 20 41 26 9 2
Halla la media y la desviación típica.

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Se ha preguntado a un grupo de personas jubiladas el número de veces que han ido al teatro en el úl...